50 90mm steel ball for bearing التصنيع عبر الإنترنت

50.90mm(2.003937"), customized size, high chrome steel balls for bearing Introduction Chromium (Gcr15, 100Cr6, 52100, SUJ2) steel balls, also called bearing steel balls. The high-precision chromium steel ball ... قراءة المزيد

50.91mm(2.004331"), 50.72mm To 50.92mm , Large Solid Steel Balls For Big Bearing , G40 Introduction GCr15 steel is a representative steel of high-carbon chromium bearing steel with good overall performance.the ... قراءة المزيد

50.92mm(2.0047244"), 50.72mm To 50.91mm , High Quality Large Solid Steel Balls For Big Bearing , G40 Introduction GCr15 steel is the representative steel of high carbon chromium bearing steel, with good overall ... قراءة المزيد